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투명 박막 태양광 창호의 경사각에 따른 발전량 실측연구
윤종호(Yoon Jong-Ho),안영섭(An Young-Sub),송종화(Song Jong-Hwa),김석기(Kim Seok-Ge),이성진(Lee Sung-Jin),정연규(Choung youn-Kyoo) 대한건축학회 2008 대한건축학회논문집 Vol.24 No.9
This study is on the analysis of power output of transparent thin-film PV windows which are integrated into the building envelope instead of traditional windows. 3 installation angles of vertical, horizontal and 30° inclination are investigated. To measure power output of PV windows, full scale mock-up house was designed and constructed. The power performance of PV window system was analyzed for horizontal angle, declination angle and vertical angle according to incline angle. Monitoring data are gathered from November 2006 to August 2007 and statistical analysis is performed to analysis a characteristics of power performance of transparent PV windows. Results show that annual power output of PV window with horizontal angle is 844.4㎾h/㎾p/year, declination angle 1,060㎾h/㎾p/year and vertical angle 431.6 ㎾h/㎾p/year.
갑상선 종양으로 오인된 경부 미주 신경 거대 신경초종 1예
윤종호(Jong Ho Yoon),장항석(Hang Seok Chang),정웅윤(Woung Youn Chung),박정수(Cheong Soo Park) 대한두경부종양학회 2003 대한두경부 종양학회지 Vol.19 No.2
Schwannoma is a benign tumor of Schwann cell origin and may occur on any nerve covered by Schwann cells. Although approximately 25% to 48% of all Schwannoma occur in the head and neck region, the lesions originating from the cervical vagus nerve are extremely rare. We have recently experienced a case of huge Schwannoma arising from the cervical vagus nerve which was initially misdiagnosed as a huge goiter. We report herein the case with review of the literatures.
건물일체형 투광성 PV모듈의 설치각도별 발전특성에 관한 연구
송종화(Song Jong-Hwa),윤종호(Yoon Jong-Ho),안영섭(An Young-Sub),김석기(Kim Seok-Ge),이성진(Lee Sung-Jin),정연규(Choung Youn-Kyoo) 한국태양에너지학회 2008 한국태양에너지학회 논문집 Vol.28 No.2
This study has analysed power output characteristics of transparent thin-film PV module depending on incidence angle and azimuth. The experiment results showed power outputs of transparent thin-film PV module applied to full-scale mock up model on slope of 90° 30°, 0° to the south. The simulation results was evaluated power outputs of transparent thin-film PV module depending on incidence angle and azimuth after calibrating the experimental and computed data. As a result. the best power output performance of transparent thin-film PV module was obtained at slope of 30° to the south. producing the annual power output of 977kWh/kWp. The annual power output data demonstrated that the PV module with a shoe of 30° could produce a 68% higher power output than that with a slope of 90°, with respect to the inclined slope of the module. Furthermore, the PV module facing south showed a 22% higher cower output than that facing to the east in terms of the angle of the azimuth. Specipically. the varying power output with incidence angle of PV module can be resulted from the influence of incidence angle modifier of glass on PV module. That is, the solar energy transmission can be reduced as an increase of incidence angle of PV module. Therefore, when the inclined slope of the PV module was over 70° there was a significant reduction of power output, and this was caused by the decrease of solar energy transmission in the transparent thin-film PV module,
소포 변이 유두 갑상선암(Follicular Variant Papillary Thyroid Carcinoma)
이승철(Seung Chul Lee),윤종호(Jong Ho Yoon),윤지섭(Ji-Sup Yun),남기현(Kee-Hyun Nam),임치영(Chi-Young Lim),정웅윤(Woong Youn Chung),박정수(Cheong Soo Park) 대한외과학회 2007 Annals of Surgical Treatment and Research(ASRT) Vol.73 No.5
Purpose: The follicular variant of papillary thyroid carcinoma (FVPTC) is difficult to diagnose and there is continuous debate regarding the optimal extent of surgery. Methods: One hundred sixty three patients (17 male, 146 female; mean age 43.3 years), who underwent a thyroidectomy with a final diagnosis of FVPTC were divided into the total thyroidectomy group (Group Ⅰ, n=74) and the lessthan total thyroidectomy group (Group Ⅱ, n=89). The two groups were compared with respect to the various clinicopathological characteristics. The mean follow up duration was 64.9 months (13∼247 months). Results: Group Ⅰ showed a significantly higher sensitivity than Group Ⅱ for the diagnosis. The age of the patients in Group Ⅰ was significantly older than those in Group Ⅱ. The frequency of multifocality, capsular invasion, and the incidence of a cervical lymph node metastasis were significantly higher in Group Ⅰ. Therefore, Group Ⅰ had a higher proportion of stage Ⅲ and Ⅳ. The percentage of high risk patients according to the AMES (Age, distant Metastasis, Extent of primary tumor, and tumor Size) category and MACIS (distant Metastasis, Age, Completeness of primary surgical resection, extrathyroidal Invasion, and tumor Size) score was significantly higher in Group Ⅰ. However, there was a similar rate of locoregional recurrence, distant metastasis, and survival in the two groups. Conclusion: When a diagnosis of FVPTC is made preoperatively or intraoperatively, definitive thyroid cancer surgery can be applied using the corresponding extent of surgery for an ordinary papillary thyroid carcinoma. However, if no definitive diagnosis is made, then a less-than total thyroidectomy is recommended as the initial surgery, and a complete thyroidectomy is reserved only for high-risk patients.